Top answers

The first three terms of a sequence are a, b, c. The term-to-term rule of the sequence is 'Multiply by 2 and subtract 4'. Show that c = 4(a – 3).

As the answer is given in the question, it's really important that you lay out your working carefully to give a convincing account as to how you got from the question to the answer. Here we have a sequence. ...
RB
Answered by Robin B. • Maths tutor
13311 Views

What is a good way to remember the sine, cosine and tangent rules of a triangle?

If you are trying to find the sine of an angle, remember: SOH The sine of an angle (S)= the length of the opposite side (O) / the length of the hypotenuse (H) If you are trying to find the cosine of an angle...
HW
Answered by Hannah W. • Maths tutor
4540 Views

How are Judges appointed to the Supreme Court?

Judicial Appointment is a two tier process which begins once a vacancy occurs in the Supreme Court, either through a judge retiring, like David Souter, or dying like Antonin Scalia. The first tier is preside...
HV
Answered by Harry V. • Politics tutor
5641 Views

Share £650 in the ratio 8:5

Begin by adding the 2 ratio parts (i.e. the numbers which make up the ratio) so 8+5 = 13. Then divide the total sum by the sum of the ratio parts. Thus £650/13 = £50. Multiply this by each of the ratio parts...
HV
Answered by Harry V. • Maths tutor
8174 Views

Integrate 1/(5-2x) for 3≤x≤4

You must be careful with these sorts of questions as although 1/(5-2x) is equivalent to (5-2x)^-1, when you integrate you would add one to the power and divide by the new power. But if you were to add one to...
ES
7490 Views